Controller Web Server User Access Segmentation
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Solution Overview
Problem
Current image forming devices lack the ability to securely permit specific user operations while maintaining administrator-only access, leading to potential security risks when all users are allowed to perform login operations.
Innovation Solution
An image forming device with a controller functioning as a Web server that performs login processes, designates permitted users for administrator operations, and provides Web page data based on user authority, allowing only authorized users to access specific administrator functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If all users are permitted to perform login operation, then user convenience is improved, but security becomes low
Solution Approach 1:
The patent segments user access rights by creating multiple user types (administrator and ordinary users) with different permission levels. The administrator can perform all operations including login, while ordinary users are restricted to specific operations. This segmentation allows the system to improve convenience for ordinary users without compromising overall security, as they can only access permitted functions.
Solution Approach 2:
The patent applies local quality by giving different users different access permissions based on their roles. Instead of uniform access control, the system provides tailored access rights where administrators have full access and ordinary users have limited access to specific operations. This resolves the contradiction by allowing convenient access for ordinary users within security boundaries.
2Reliability
If only administrator can perform login operation, then security is maintained, but user convenience deteriorates
Solution Approach 1:
The system segments user permissions into hierarchical levels where administrators retain full login capability while ordinary users receive selective operation permissions. This segmentation maintains security for critical functions while improving convenience for routine operations by allowing designated ordinary users to perform specific tasks without full administrator access.
3Ease of operation
If permitted user can perform part of administrator operation, then user convenience is improved, but device complexity increases
Solution Approach 1:
The patent implements segmentation of operation permissions where the controller is configured to recognize different user types and enforce corresponding access rules. Administrators can designate which ordinary users can perform specific operations, creating a segmented permission structure that balances convenience with manageable complexity through role-based access control.
Solution Approach 2:
The controller serves multiple functions: it acts as a Web server, performs login processes, manages user designations, and enforces permission rules. This multi-functionality consolidates complexity into a single component, allowing the system to provide sophisticated access control without proportionally increasing overall device complexity.
Data Source
AI summary
An image forming device includes a controller. The controller is configured to perform a login process of permitting a login operation performed by an administrator, and in a case where the administrator logs in, perform a data providing process of providing the browser with Web page data for displaying a Web page corresponding to an administrator operation. In a case where the administrator logs in, the controller is configured to perform a designation process of receiving designation of a permitted user who is permitted to perform a part of the administrator operation. In a case where the controller receives an instruction from the browser, the controller is configured to perform a process corresponding to the received instruction, the instruction corresponding to the part of the administrator operation received by a Web page for receiving the part of the administrator operation.